```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>时区处理与本地化显示</title>
    <link href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">
    <link href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=NotoSans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <style>
        body {
            font-family: "Noto Sans SC", Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        .hero {
            background: linear-gradient(135deg, #6e8efb 0%, #4a6cf7 100%);
        }
        .card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .code-block {
            background-color: #2d3748;
            color: #e2e8f0;
            border-radius: 0.5rem;
        }
        .time-display {
            font-size: 1.5rem;
            font-weight: 500;
        }
    </style>
</head>
<body class="min-h-screen flex flex-col">
    <!-- Hero Section -->
    <header class="hero text-white py-20 px-4">
        <div class="container mx-auto max-w-6xl text-center">
            <h1 class="text-4xl md:text-5xl font-bold mb-4">全球时区处理与本地化显示</h1>
            <p class="text-xl md:text-2xl mb-8 max-w-3xl mx-auto">掌握跨时区时间处理的核心技术与最佳实践</p>
            <div class="flex justify-center space-x-4">
                <a href="#concepts" class="px-6 py-3 bg-white text-blue-600 font-semibold rounded-lg hover:bg-gray-100 transition">核心概念</a>
                <a href="#implementation" class="px-6 py-3 bg-transparent border-2 border-white text-white font-semibold rounded-lg hover:bg-white hover:text-blue-600 transition">实现方案</a>
            </div>
        </div>
    </header>

    <!-- Main Content -->
    <main class="flex-grow container mx-auto px-4 py-12 max-w-6xl">
        <!-- Introduction -->
        <section class="mb-16">
            <div class="bg-white rounded-xl shadow-lg p-8">
                <h2 class="text-3xl font-bold mb-6 text-gray-800">时区处理的重要性</h2>
                <p class="text-lg text-gray-700 mb-6 leading-relaxed">
                    在全球化的数字时代，正确处理和显示不同地区的时间已成为现代应用的基本要求。时区差异、夏令时规则和本地化格式都可能对用户体验产生重大影响。
                </p>
                <div class="flex flex-wrap justify-center gap-6 mb-6">
                    <div class="flex items-center">
                        <i class="fas fa-globe-americas text-blue-500 text-2xl mr-2"></i>
                        <span>全球时区</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-clock text-blue-500 text-2xl mr-2"></i>
                        <span>夏令时规则</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-language text-blue-500 text-2xl mr-2"></i>
                        <span>本地化格式</span>
                    </div>
                </div>
                <div class="time-display bg-gray-100 p-4 rounded-lg text-center">
                    <div class="flex justify-center space-x-8">
                        <div>
                            <div class="text-sm text-gray-500">北京时间 (UTC+8)</div>
                            <div id="beijing-time" class="font-bold">--:--:--</div>
                        </div>
                        <div>
                            <div class="text-sm text-gray-500">纽约时间 (UTC-5)</div>
                            <div id="ny-time" class="font-bold">--:--:--</div>
                        </div>
                        <div>
                            <div class="text-sm text-gray-500">伦敦时间 (UTC+0)</div>
                            <div id="london-time" class="font-bold">--:--:--</div>
                        </div>
                    </div>
                </div>
            </div>
        </section>

        <!-- Concepts Section -->
        <section id="concepts" class="mb-16">
            <h2 class="text-3xl font-bold mb-8 text-gray-800">核心概念解析</h2>
            <div class="grid md:grid-cols-3 gap-8">
                <!-- Card 1 -->
                <div class="card bg-white rounded-xl shadow-lg overflow-hidden">
                    <div class="p-6">
                        <div class="flex items-center mb-4">
                            <div class="bg-blue-100 p-3 rounded-full mr-4">
                                <i class="fas fa-globe text-blue-600 text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">时区基础</h3>
                        </div>
                        <p class="text-gray-700">
                            时区是基于地球自转划分的区域，每个时区与UTC(协调世界时)有固定的偏移量。全球共有24个标准时区，但实际时区数量更多，因为有些地区使用半小时或15分钟的偏移。
                        </p>
                    </div>
                </div>

                <!-- Card 2 -->
                <div class="card bg-white rounded-xl shadow-lg overflow-hidden">
                    <div class="p-6">
                        <div class="flex items-center mb-4">
                            <div class="bg-purple-100 p-3 rounded-full mr-4">
                                <i class="fas fa-sun text-purple-600 text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">夏令时</h3>
                        </div>
                        <p class="text-gray-700">
                            夏令时(DST)是一种在夏季将时钟拨快一小时的做法，目的是更好地利用日光。大约70个国家实行夏令时，但开始和结束日期各不相同，需要特别注意处理。
                        </p>
                    </div>
                </div>

                <!-- Card 3 -->
                <div class="card bg-white rounded-xl shadow-lg overflow-hidden">
                    <div class="p-6">
                        <div class="flex items-center mb-4">
                            <div class="bg-green-100 p-3 rounded-full mr-4">
                                <i class="fas fa-language text-green-600 text-xl"></i>
                            </div>
                            <h3 class="text-xl font-bold text-gray-800">本地化</h3>
                        </div>
                        <p class="text-gray-700">
                            时间显示应根据用户地区进行本地化，包括日期格式(MM/dd/yyyy vs dd/MM/yyyy)、时间格式(12小时制vs24小时制)和语言(月份和星期名称的本地化)。
                        </p>
                    </div>
                </div>
            </div>
        </section>

        <!-- Implementation Section -->
        <section id="implementation" class="mb-16">
            <h2 class="text-3xl font-bold mb-8 text-gray-800">实现方案</h2>
            
            <!-- Modern Java Time API -->
            <div class="bg-white rounded-xl shadow-lg overflow-hidden mb-8">
                <div class="p-6">
                    <div class="flex items-center mb-4">
                        <div class="bg-blue-500 text-white p-3 rounded-full mr-4">
                            <i class="fas fa-code text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold text-gray-800">现代Java时间API (java.time)</h3>
                    </div>
                    <p class="text-gray-700 mb-6">
                        Java 8引入的java.time包提供了全面的日期时间处理功能，比传统的Date和Calendar类更直观、更强大。
                    </p>
                    
                    <div class="code-block p-4 mb-6 overflow-x-auto">
                        <pre class="text-sm"><code class="text-gray-300">import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

// 获取纽约时间
ZonedDateTime nyTime = ZonedDateTime.now(ZoneId.of("America/New_York"));
System.out.println("纽约时间: " + nyTime.format(
    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));

// 获取北京时间
ZonedDateTime beijingTime = ZonedDateTime.now(ZoneId.of("Asia/Shanghai"));
System.out.println("北京时间: " + beijingTime.format(
    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));</code></pre>
                    </div>
                </div>
            </div>
            
            <!-- Legacy Java Time API -->
            <div class="bg-white rounded-xl shadow-lg overflow-hidden mb-8">
                <div class="p-6">
                    <div class="flex items-center mb-4">
                        <div class="bg-gray-500 text-white p-3 rounded-full mr-4">
                            <i class="fas fa-history text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold text-gray-800">传统Java时间API (Calendar)</h3>
                    </div>
                    <p class="text-gray-700 mb-6">
                        对于需要与旧代码库集成的场景，可以使用Calendar类和TimeZone类来处理时区。
                    </p>
                    
                    <div class="code-block p-4 mb-6 overflow-x-auto">
                        <pre class="text-sm"><code class="text-gray-300">import java.util.Calendar;
import java.util.TimeZone;

// 获取纽约时间
Calendar nyCalendar = Calendar.getInstance(
    TimeZone.getTimeZone("America/New_York"));
System.out.println("纽约时间: " + nyCalendar.getTime());

// 获取北京时间
Calendar beijingCalendar = Calendar.getInstance(
    TimeZone.getTimeZone("Asia/Shanghai"));
System.out.println("北京时间: " + beijingCalendar.getTime());</code></pre>
                    </div>
                </div>
            </div>
            
            <!-- Localization -->
            <div class="bg-white rounded-xl shadow-lg overflow-hidden">
                <div class="p-6">
                    <div class="flex items-center mb-4">
                        <div class="bg-purple-500 text-white p-3 rounded-full mr-4">
                            <i class="fas fa-globe-europe text-xl"></i>
                        </div>
                        <h3 class="text-2xl font-bold text-gray-800">本地化显示</h3>
                    </div>
                    <p class="text-gray-700 mb-6">
                        使用DateTimeFormatter可以根据地区习惯格式化时间和日期。
                    </p>
                    
                    <div class="code-block p-4 mb-6 overflow-x-auto">
                        <pre class="text-sm"><code class="text-gray-300">import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import java.util.Locale;

// 获取当前时间
ZonedDateTime now = ZonedDateTime.now();

// 美国格式
DateTimeFormatter usFormatter = DateTimeFormatter
    .ofLocalizedDateTime(FormatStyle.FULL)
    .withLocale(Locale.US);
System.out.println("美国格式: " + now.format(usFormatter));

// 中国格式
DateTimeFormatter chinaFormatter = DateTimeFormatter
    .ofLocalizedDateTime(FormatStyle.FULL)
    .withLocale(Locale.CHINA);
System.out.println("中国格式: " + now.format(chinaFormatter));</code></pre>
                    </div>
                </div>
            </div>
        </section>

        <!-- Visualization -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-8 text-gray-800">时区关系可视化</h2>
            <div class="bg-white rounded-xl shadow-lg p-6">
                <div class="mermaid">
                    graph TD
                    A[UTC 协调世界时] -->|+0| B[伦敦]
                    A -->|+8| C[北京]
                    A -->|-5| D[纽约]
                    A -->|+9| E[东京]
                    A -->|+5.5| F[新德里]
                    style A fill:#4a6cf7,color:white
                </div>
            </div>
        </section>

        <!-- Best Practices -->
        <section class="mb-16">
            <h2 class="text-3xl font-bold mb-8 text-gray-800">最佳实践</h2>
            <div class="bg-white rounded-xl shadow-lg p-8">
                <div class="space-y-6">
                    <div class="flex items-start">
                        <div class="bg-green-500 text-white p-2 rounded-full mr-4 mt-1">
                            <i class="fas fa-check text-sm"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-semibold mb-2 text-gray-800">始终存储UTC时间</h3>
                            <p class="text-gray-700">
                                在数据库和后台系统中存储UTC时间，只在显示时转换为本地时间。这样可以避免时区转换带来的混乱。
                            </p>
                        </div>
                    </div>
                    <div class="flex items-start">
                        <div class="bg-green-500 text-white p-2 rounded-full mr-4 mt-1">
                            <i class="fas fa-check text-sm"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-semibold mb-2 text-gray-800">使用IANA时区标识</h3>
                            <p class="text-gray-700">
                                使用"Asia/Shanghai"而非"CST"这样的缩写，因为缩写可能对应多个时区。
                            </p>
                        </div>
                    </div>
                    <div class="flex items-start">
                        <div class="bg-green-500 text-white p-2 rounded-full mr-4 mt-1">
                            <i class="fas fa-check text-sm"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-semibold mb-2 text-gray-800">考虑用户偏好</h3>
                            <p class="text-gray-700">
                                允许用户选择偏好的时区和日期时间显示格式，提升用户体验。
                            </p>
                        </div>
                    </div>
                    <div class="flex items-start">
                        <div class="bg-green-500 text-white p-2 rounded-full mr-4 mt-1">
                            <i class="fas fa-check text-sm"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-semibold mb-2 text-gray-800">测试时区边界情况</h3>
                            <p class="text-gray-700">
                                特别测试跨日、跨月和夏令时转换等边界情况，确保系统行为正确。
                            </p>
                        </div>
                    </div>
                </div>
            </div>
        </section>
    </main>

    <!-- Footer -->
    <footer class="bg-gray-900 text-white py-8">
        <div class="container mx-auto px-4 max-w-6xl">
            <div class="flex flex-col md:flex-row justify-between items-center">
                <div class="mb-4 md:mb-0">
                    <h3 class="text-xl font-bold">技术小馆</h3>
                </div>
                <div>
                    <a href="http://www.yuque.com/jtostring" class="text-gray-300 hover:text-white transition duration-300">
                        <i class="fas fa-external-link-alt mr-2"></i>www.yuque.com/jtostring
                    </a>
                </div>
            </div>
        </div>
    </footer>

    <!-- Scripts -->
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <script>
        // Initialize Mermaid
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true
            }
        });

        // Update time display
        function updateTimes() {
            const formatter = new Intl.DateTimeFormat('zh-CN', {
                timeZone: 'Asia/Shanghai',
                hour: '2-digit',
                minute: '2-digit',
                second: '2-digit',
                hour12: false
            });
            document.getElementById('beijing-time').textContent = formatter.format(new Date());
            
            formatter.timeZone = 'America/New_York';
            document.getElementById('ny-time').textContent = formatter.format(new Date());
            
            formatter.timeZone = 'Europe/London';
            document.getElementById('london-time').textContent = formatter.format(new Date());
        }

        // Update time every second
        updateTimes();
        setInterval(updateTimes, 1000);

        // Smooth scrolling
        document.querySelectorAll('a[href^="#"]').forEach(anchor => {
            anchor.addEventListener('click', function (e) {
                e.preventDefault();
                document.querySelector(this.getAttribute('href')).scrollIntoView({
                    behavior: 'smooth'
                });
            });
        });
    </script>
</body>
</html>
```